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Heat Transfer

W/(cm·K)toBTU·in/(hr·ft²·°F)

Convert watts per centimetre-kelvin (W/(cm·K)) to British thermal unit-inches per hour-square foot-Fahrenheit (BTU·in/(hr·ft²·°F)).

Factor1 W/(cm·K) = 693.3471 BTU·in/(hr·ft²·°F)

Converter

W/(cm·K)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
693.347BTU·in/(hr·ft²·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU·in/(hr·ft²·°F) = W/(cm·K) × 693.3471

Multiply any value in watts per centimetre-kelvin by 693.3471 to obtain the value in British thermal unit-inches per hour-square foot-Fahrenheit.

Worked example

Convert 1 W/(cm·K) to BTU·in/(hr·ft²·°F).

  1. 01Start with 1 W/(cm·K).
  2. 02Multiply by the conversion factor: 1 × 693.3471 = 693.347 BTU·in/(hr·ft²·°F).
Result1 W/(cm·K) = 693.347 BTU·in/(hr·ft²·°F)

Conversion table

W/(cm·K)BTU·in/(hr·ft²·°F)
1693.35
21386.7
53466.7
106933.5
2013867
5034667
10069335
2001.3867e+5
5003.4667e+5
10006.9335e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from W/(cm·K) to BTU·in/(hr·ft²·°F)?
1 W/(cm·K) equals 693.3471 BTU·in/(hr·ft²·°F). To convert, multiply the value in watts per centimetre-kelvin by 693.3471.
How do I convert 1 W/(cm·K) to BTU·in/(hr·ft²·°F)?
1 W/(cm·K) = 693.347 BTU·in/(hr·ft²·°F). For any value, multiply by 693.3471.
How do I convert BTU·in/(hr·ft²·°F) back to W/(cm·K)?
Divide by the same factor — or equivalently, multiply by 0.001442279. So 1 BTU·in/(hr·ft²·°F) = 0.00144228 W/(cm·K).
When would I need to convert watt per centimetre-kelvin to British thermal unit-inch per hour-square foot-Fahrenheit?
Thermal conductivity conversions between W/(cm·K) and BTU·in/(hr·ft²·°F) are common in insulation specification, heat-exchanger design, and building-envelope analysis. SI units (W/(m·K)) appear in international standards and simulation tools, while BTU/(hr·ft·°F) is standard in US codes and vendor datasheets.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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